# Sh:980

• Shelah, S. Nice \aleph_1 generated non-P-points, I. Preprint. arXiv: 1112.0819
• Abstract:
We define a family of a (non-principal) ultrafilter on {\mathbb N}, i.e. a point which are very far from P-points. We first under reasonable conditions, prove its existence. In a continuation we shall prove that such a point may exist while no P-point exists.
• Current version: 2019-04-24_2 (19p)
Bib entry
@article{Sh:980,
author = {Shelah, Saharon},
title = {{Nice $\aleph_1$ generated non-$P$-points, I}},
note = {\href{https://arxiv.org/abs/1112.0819}{arXiv: 1112.0819}},
arxiv_number = {1112.0819}
}